Vitamins
The alphabet soup of vitamins – A, B, C, D, E, and K – also includes more exotic-sounding substances like biotin, pyridoxine, and pantothenic acid. This section gives you the lowdown on what you need for good health.

Other
Is it safe to take shark cartilage? What is flaxseed good for? Can bone meal help you sleep better? Can dolomite be used for a bladder infection? You'll find the answers here.

All
Not sure whether your supplement is a vitamin, a hormone, or something else? Click here for a complete list of all dietary supplements in our nutritional database.